Amazon has a website as part of its Amazon Web Services site that demonstrates various applications of artificial intelligence:
One of those sites is for the demonstration of Amazon Polly, a text-to-speech program. PG understands that Polly has multi-lingual capabilities, but it appears PG is not located in a region that has access to more than English.
Here is a speech file with Polly translating a written quote from Helen Keller in one of its many female voices:
Here is a speech file with Polly translating a partial quote from the Declaration of Independence in ont of its many male voices:
Here is Polly translating the Declaration of Independence quote using a younger male voice. You will notice that the recorded translation to the younger male voice is a few seconds longer than the adult male voice above.
Here’s a link to Amazon Polly